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//* Sumner sketch to control a stepper motor for a turntable with TB6600 stepper motor driver and Arduino without a library

/// 1st Arduino

// Define stepper motor connections and buttons:

const int dirPin = 2 ;        // To Stepper Motor (DIR+)

const int stepPin = 3 ;       // To Stepper Motor (PUL+)

const int buttonPin1 = 4 ;    // To hand controller clockwise roation (Blue Wire)

const int buttonPin2 = 5 ;    // To hand controller counter-clockwise roation (Yellow Wire)

const int signalPin2 = 7;     // output pin 7 to 2nd Arduino LED pulse pin 5

const int Pin8 = 8;           // From hand controller starts indexing sequence. (Purple Wire)

const int Pin9 = 9;           // Input from Hall Effect.

const int distance = 400;     // Make this less or more to set the final rotation place.

// A0                  // Reads the POT for rotation speed (Brown Wire)

// variables will change:

int buttonState1 = 0;         // variable for reading the pushbutton status

int buttonState2 = 0;         // variable for reading the pushbutton status

int Stop = HIGH;

int Start = LOW;

int Rotate = 0;

int i = 0;

void setup() {

Serial.begin(9600);

pinMode(stepPin, OUTPUT);     // Declare pins as output:

pinMode(dirPin, OUTPUT);      // Declare pins as output:

pinMode(signalPin2, OUTPUT);  // Declare pins as output:

pinMode(buttonPin1, INPUT);   // initialize the pushbutton pin as an input:

pinMode(buttonPin2, INPUT);   // initialize the pushbutton pin as an input:

pinMode(Pin8, INPUT);         //  Input from hand control

pinMode(Pin9, INPUT);         //  Input from Hall Effect

Stop = HIGH;

Start = LOW;

Rotate = 0;

// Set initial state of stepper motor

digitalWrite(stepPin, LOW);  // Set stepping off

digitalWrite(dirPin, LOW);  // Set the spinning direction CW:

digitalWrite (signalPin2, LOW);  // Set LED pulse signal to 2nd Arduino low

}

void loop(){

//// Index Track

Start = digitalRead (Pin8);

if (Start == HIGH){

Rotate = 1;

}

if (Rotate == 1){

Stop = digitalRead (Pin9);  //Reads Pin9, Hall Effect, It goes low when it gets to the magnet.

digitalWrite(dirPin, LOW); // Set the spinning direction Clockwise

digitalWrite(stepPin, HIGH);

delayMicroseconds(500);

if (Stop == LOW) {  // Hall effect is now low and turn table stops

for(int i = 0; i<distance; i++) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(5000);

}

Rotate = 0;

}

//// Read Button for clockwise rotation and rotate if it is pressed.

buttonState1 = digitalRead(buttonPin1);  // read the state of the forward pushbutton value:

digitalWrite(signalPin2, LOW);

if (buttonState1 == HIGH){  // check if the pushbutton is pressed.

digitalWrite(dirPin, LOW);} // Set the spinning direction Clockwise

//// Read Button for counter-clockwise rotation and rotate if it is pressed.

buttonState2 = digitalRead(buttonPin2);  // read the state of the reverse pushbutton value:

if (buttonState2 == HIGH){  // check if the pushbutton is pressed.

digitalWrite(dirPin, HIGH);}  // Set the spinning direction counter-clockwise.}

if (buttonState1 == HIGH || buttonState2 == HIGH ) {

digitalWrite(signalPin2, HIGH);  // Send LED pulse signal to 2nd Arduino high

int x = ( analogRead(A0) );  //Reads the analog value on pin A0 into x.  Following code determines rotation speed. Set the delays for speed desired.

if (x > 854) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(500);

delayMicroseconds(500);}

else if (x > 683) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(1000);

delayMicroseconds(1000);}

else if (x > 513) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(2000);

delayMicroseconds(2000);}

else if (x > 400) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(3000);

delayMicroseconds(3000);}

else if (x > 300) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(5000);

delayMicroseconds(5000);}

else if (x > 100) {

digitalWrite(stepPin, HIGH);

delayMicroseconds(16000);

delayMicroseconds(16000);}

else {digitalWrite(stepPin, LOW);}}

else { digitalWrite(signalPin2, LOW); } /// Skip past the rotation speed

}

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